拼ui 一些业务逻辑x实现

2026-03-19 06:15:09 +08:00
parent f5c6f143c0
commit 49e45ac464
1118 changed files with 246518 additions and 5368 deletions
@@ -0,0 +1,92 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace EasyChart.Layers
+{
+    public static class RoundedRectUtils
+    {
+        private static readonly List<Vector2> s_tempRoundedPoints = new List<Vector2>(64);
+
+        public static void BuildRoundedRectPoints(List<Vector2> points, Rect rect, float radius, int segments, bool roundTL, bool roundTR, bool roundBR, bool roundBL)
+        {
+            if (points == null) return;
+            points.Clear();
+
+            float x = rect.xMin;
+            float y = rect.yMin;
+            float w = rect.width;
+            float h = rect.height;
+
+            if (w <= 0f || h <= 0f)
+            {
+                return;
+            }
+
+            float r = Mathf.Max(0f, radius);
+            r = Mathf.Min(r, Mathf.Min(w, h) * 0.5f);
+            int seg = Mathf.Clamp(segments, 1, 16);
+
+            void AddPoint(Vector2 p)
+            {
+                if (points.Count > 0)
+                {
+                    var last = points[points.Count - 1];
+                    if (Mathf.Approximately(last.x, p.x) && Mathf.Approximately(last.y, p.y)) return;
+                }
+                points.Add(p);
+            }
+
+            void AddArc(Vector2 center, float startDeg, float endDeg)
+            {
+                for (int i = 1; i <= seg; i++)
+                {
+                    float t = (float)i / seg;
+                    float a = Mathf.Deg2Rad * Mathf.Lerp(startDeg, endDeg, t);
+                    float px = center.x + Mathf.Cos(a) * r;
+                    float py = center.y + Mathf.Sin(a) * r;
+                    AddPoint(new Vector2(px, py));
+                }
+            }
+
+            bool useTL = roundTL && r > 0f;
+            bool useTR = roundTR && r > 0f;
+            bool useBR = roundBR && r > 0f;
+            bool useBL = roundBL && r > 0f;
+
+            AddPoint(new Vector2(x + (useTL ? r : 0f), y));
+            AddPoint(new Vector2(x + w - (useTR ? r : 0f), y));
+            if (useTR) AddArc(new Vector2(x + w - r, y + r), 270f, 360f);
+            else AddPoint(new Vector2(x + w, y));
+
+            AddPoint(new Vector2(x + w, y + h - (useBR ? r : 0f)));
+            if (useBR) AddArc(new Vector2(x + w - r, y + h - r), 0f, 90f);
+            else AddPoint(new Vector2(x + w, y + h));
+
+            AddPoint(new Vector2(x + (useBL ? r : 0f), y + h));
+            if (useBL) AddArc(new Vector2(x + r, y + h - r), 90f, 180f);
+            else AddPoint(new Vector2(x, y + h));
+
+            AddPoint(new Vector2(x, y + (useTL ? r : 0f)));
+            if (useTL) AddArc(new Vector2(x + r, y + r), 180f, 270f);
+            else AddPoint(new Vector2(x, y));
+        }
+
+        public static void BeginRoundedRectPath(Painter2D painter, Rect rect, float radius, int segments, bool roundTL, bool roundTR, bool roundBR, bool roundBL)
+        {
+            if (painter == null) return;
+
+            s_tempRoundedPoints.Clear();
+            BuildRoundedRectPoints(s_tempRoundedPoints, rect, radius, segments, roundTL, roundTR, roundBR, roundBL);
+            if (s_tempRoundedPoints.Count == 0) return;
+
+            painter.BeginPath();
+            painter.MoveTo(s_tempRoundedPoints[0]);
+            for (int i = 1; i < s_tempRoundedPoints.Count; i++)
+            {
+                painter.LineTo(s_tempRoundedPoints[i]);
+            }
+            painter.ClosePath();
+        }
+    }
+}